World Power Plants

Shinanogawa177 MW Hydroelectric

HydroRenewable

Shinanogawa, a hydroelectric power generation facility located in Japan, is notable for its capacity of 177 MW, making it the 220th largest plant in the country. Despite Japan's vast array of energy facilities, Shinanogawa ranks as the 53rd largest hydro plant among 90 such facilities, contributing a mere 0.05% to Japan's colossal total capacity of 357,453 MW. This hydropower plant is strategically situated near several significant nuclear plants, including the Kashiwazaki Kariwa Nuclear Power Plant, which boasts a staggering capacity of 8,212 MW. This surrounding network of nuclear facilities emphasizes the dominance of nuclear energy in Japan's energy profile. The presence of powerful hydro plants like Shinanogawa alongside nuclear facilities illustrates a unique energy mix that is crucial for maintaining grid stability. As Japan continues to grapple with the implications of its energy policies, especially post-Fukushima, the role of hydroelectric power is being reevaluated for its potential to complement nuclear generation. The Tokyo operator of Shinanogawa has ensured that this facility remains a part of the larger energy narrative, particularly as the nation seeks to increase reliance on renewables. With ongoing advancements in hydro technology, Shinanogawa is set to play a significant role in Japan's transition towards a more sustainable and diversified energy future.

Capacity
177 MW
Commissioning Year
1997

29 years old

Owner
Tokyo
Location
37.0550°, 138.6828°

Japan, Asia

Context & rankings
  • 218. largest of 662 plants in Japan
  • #7,877 worldwide by installed capacity
  • #1,612 of 8,493 Hydroelectric plants worldwide
  • 0.05% of the installed capacity of Japan
Age & fleet comparison

29 years in operation

Hydroelectric fleet average: 42.1 years

Operator portfolio

Tokyo operates 24 plants totalling 47,440 MW

Regional density

32 plants within 100 km, 15,171 MW combined

Nearest plant: Okukiyotsu (24.4 km)

Location

Coordinates:: 37.055000, 138.682800
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Carbon Footprint

Zero Direct Emissions

Shinanogawa is a hydro power plant producing approximately 620 GWh of clean electricity per year with zero direct CO₂ emissions during operation.

Lifecycle emissions: ~24 g CO₂/kWh (manufacturing, transport, decommissioning)

Technical Details

Primary Fuel Type
Hydro
Energy Source
Renewable
Country
Japan
Continent
Asia
Data Source
Global Power Plant Database

JapanEnergy Profile

662
Total Plants
342.8 GW
Total Capacity
GasNuclearCoalOil
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